[asterisk-bugs] [JIRA] (ASTERISK-24820) Asterisk Cert 13-1 crashing

[Fabian Borot (JIRA)]

Fabian Borot created ASTERISK-24820:
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             Summary: Asterisk Cert 13-1 crashing
                 Key: ASTERISK-24820
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24820
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/General
    Affects Versions: 13.1.1
         Environment: Asterisk 13.1-cert1 built by root @ AW-MIA-CORE-07 on a x86_64 running Linux on 2015-02-22 04:21:54 UTC
Linux AW-MIA-CORE-07 2.6.18-308.4.1.el5 #1 SMP Tue Apr 17 17:08:00 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux

            Reporter: Fabian Borot
         Attachments: backtrace Feb 20 submitted to digium.txt

Sometimes this function is called with a null pointer and the system crashes:
ast_format_get_codec_id (format=0x0) at format.c:332

I am submitting a backtrace as well showing the stack at the moment. We applied a fix in our system to check for null before using the pointer




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